<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<span th:text="${session.admin}"></span>用户还没登录，没有权限访问！！
<p>
    <a href="/login">返回登录</a>
</p>


</body>
</html>